Sometimes, we want to know whether a module is loaded or unloaded
from the log.

This patch adds some log.

Signed-off-by: Ganesh Mahendran <[email protected]>
Cc: Nitin Gupta <[email protected]>
Cc: Minchan Kim <[email protected]>
---
 mm/zsmalloc.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 2d5f5be..16617e9 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -72,6 +72,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #ifdef CONFIG_ZSMALLOC_DEBUG
 #define DEBUG
 #endif
@@ -1460,6 +1462,8 @@ static int __init zs_init(void)
 {
        int ret = zs_register_cpu_notifier();
 
+       pr_info("loaded\n");
+
        if (ret)
                goto notifier_fail;
 
@@ -1474,6 +1478,7 @@ static int __init zs_init(void)
                pr_err("zs stat initialization failed\n");
                goto stat_fail;
        }
+
        return 0;
 
 stat_fail:
@@ -1483,6 +1488,8 @@ stat_fail:
 notifier_fail:
        zs_unregister_cpu_notifier();
 
+       pr_info("unloaded\n");
+
        return ret;
 }
 
-- 
1.7.9.5

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